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Coalbed Methane
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2013 2014 2015 2016 2017 2018 View
History
Proved Reserves as of Dec. 31
440 602 328 320 318 W 2005-2018
Adjustments
-200 160 -38 49 -8 W 2009-2018
Revision Increases
280 89 13 72 42 W 2009-2018
Revision Decreases
12 43 195 74 0 W 2009-2018
Sales
3 4 28 12 0 W 2009-2018
Acquisitions
0 0 0 0 0 W 2009-2018
Extensions and Discoveries
      0 0 W 2016-2018
Extensions
1 21 22 -- --   2009-2017
New Field Discoveries
0 0 0 -- --   2009-2017
New Reservoir Discoveries in Old Fields
0 0 0 -- --   2009-2017
Estimated Production
65 61 48 43 36 W 2005-2018
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: W -- Individual state volumes are withheld to avoid disclosure of operator-level reserves data, due to statistical precision requirements, or due to other data quality reasons. The individual state volumes are included in the U.S. Total volume.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/12/2019
Next Release Date: 11/20/2020